What is negative work ?
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when the motion of object is in opposite direction of applied force then it is called negative work done
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The Formula for Work is : Force*Displacement*cos∅
If work is done in opposite direction the value of ∅ will be 180°
∴Cos 180° = -1
This clearly shows that when the force is applied in the opposite direction of displacement the work done will be negative.
If work is done in opposite direction the value of ∅ will be 180°
∴Cos 180° = -1
This clearly shows that when the force is applied in the opposite direction of displacement the work done will be negative.
danishjoshi111:
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